Hunt, Pearson, author
Richard D. Irwin, [Date of publication not identified]
Buku Teks
Eun, Cheol S., author
Salemba Empat, 2013
Buku Teks
Duan, Jin-Chuan, editor
Springer, 2012
eBooks
Duttn, Henry P.
McGraw-Hill Book Company, Inc., 1931
Buku Teks
Paramitha, author
Universitas Indonesia Fakultas Ekonomi dan Bisnis, 2016
UI - Makalah dan Kertas Kerja